Click on the third or sixth rank to set the en passant target square.

EGTB: win in 14 half-moves

# move score
1 b4 win in 13 half-moves
2 Kb4 win in 13 half-moves
3 Kc4 win in 13 half-moves
4 Kcc6 win in 13 half-moves
5 Kcd6 win in 13 half-moves
6 Kd4 win in 13 half-moves
7 Kd5 win in 13 half-moves
8 Kdd6 win in 13 half-moves
9 Ke6 win in 13 half-moves
10 Ke7 win in 13 half-moves
11 Nc7 win in 13 half-moves
12 Nb6 win in 15 half-moves
13 Kb6 win in 17 half-moves
14 Kc8 win in 19 half-moves
15 Kdc6 win in 19 half-moves
16 Kd8 win in 21 half-moves
17 Kc7 loss in 4 half-moves
18 Ke8 loss in 4 half-moves